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CVE-2024-49121— Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Lightweight Directory Access Protocol（LDAP）是美国微软（Microsoft）公司的一种目录服务协议，在 TCP/IP 堆栈之上的层上运行。 Microsoft Lightweight Directory Access Protocol存在代码问题漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：Windows Server 2012 R2 (Server Core installation),Windows 10 Version

CVSS 7.5 · High EPSS 2.35% · P83

Affected Version Matrix 26

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.20857 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows 10 Version 21H2 10.0.19043.0< 10.0.19044.5247 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.5247 affected
Microsoft Windows 11 version 22H2 10.0.22621.0< 10.0.22621.4602 affected
Microsoft Windows 11 version 22H3 10.0.22631.0< 10.0.22631.4602 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.4602 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.2605 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.27467 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.27467 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.25222 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.25222 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.22318 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.22318 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.2966 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.1308 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.2605 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.2605 affected
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I. Basic Information for CVE-2024-49121

Vulnerability Information
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Vulnerability Title
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Lightweight Directory Access Protocol 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Lightweight Directory Access Protocol（LDAP）是美国微软（Microsoft）公司的一种目录服务协议，在 TCP/IP 堆栈之上的层上运行。 Microsoft Lightweight Directory Access Protocol存在代码问题漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：Windows Server 2012 R2 (Server Core installation),Windows 10 Version
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.20857 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows 10 Version 21H2 10.0.19043.0 ~ 10.0.19044.5247 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.5247 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.4602 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.4602 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.4602 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.2605 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27467 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27467 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25222 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25222 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22318 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22318 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.2966 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1308 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.2605 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.2605 -

II. Public POCs for CVE-2024-49121

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III. Intelligence Information for CVE-2024-49121

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Vendor Advisories for CVE-2024-49121 (1)

Same Patch Batch · Microsoft · 2024-12-10 · 71 CVEs total

CVE-2024-49112 9.8 CRITICAL Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2024-49125 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49080 8.8 HIGH Windows IP Routing Management Snapin Remote Code Execution Vulnerability
CVE-2024-49117 8.8 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2024-49086 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49085 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49093 8.8 HIGH Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
CVE-2024-49102 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49104 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49063 8.4 HIGH Microsoft/Muzic Remote Code Execution Vulnerability
CVE-2024-49105 8.4 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2024-49068 8.2 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2024-49108 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49119 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49123 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49124 8.1 HIGH Lightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability
CVE-2024-49126 8.1 HIGH Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerabi
CVE-2024-49132 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49128 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49122 8.1 HIGH Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-476

V. Comments for CVE-2024-49121

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